1,257 hedge funds and large institutions have $76.2B invested in Aon in 2025 Q1 according to their latest regulatory filings, with 169 funds opening new positions, 466 increasing their positions, 393 reducing their positions, and 69 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,257
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
43
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$761M
Puts
$436M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
901
$328K
902
$328K
903
$325K
904
$325K
905
$324K
906
$324K
907
$323K
908
$323K
909
$323K
910
$323K
911
$319K
912
$319K
913
$316K
914
$315K
915
$314K
916
$314K
917
$314K
918
$312K
919
$310K
920
$309K
921
$308K
922
$308K
923
$307K
924
$307K
925
$307K